Jdy-668 microwave & passive infrared detector Working voltagedc9~16v Working current25ma Working environment0¬~60¬ Alarm contactnc 28vd 80ma max Anti tamper contactnc 28vd 80ma max Alarm time optional5s10s or 30s Detection range12m Detection angle1100 Anti electromagnetic interference30v/m Anti light interference6500lux Installation height1.8~2.5m Dimension115 x 57 x 38mm Dimension115 x 57 x 38mm